You changed one line… everything rebuilt.
Why it happens
COPY instructions invalidate layers.
Fix
Copy dependency files first, source files last.
Bits of .NET
Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
You changed one line… everything rebuilt.
Why it happens
COPY instructions invalidate layers.
Fix
Copy dependency files first, source files last.